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Solution


Q.

The output from a NAND gate having inputs A and B given below will be.                  [2023]
1  
2  
3  
4  

Ans.

(1)

Truth table for NAND gate is

A B Y=A·B¯
0 0 1
0 1 1
1 0 1
1 1 0

 

On the basis of given input A and B the truth table is

A B Y
1 1 0
0 0 1
0 1 1
1 0 1
1 1 0
0 0 1
0 1 1

 

So the correct answer is Option 1.